High quality 1mm steel blade with double ground and impulse hardened teeth for a fast clean cut. 8 TPI (teeth per inch) for fast universal cutting with or across the grain. Heavy duty screwed robust handle designed to be comfortable and durable. 45' and 90' angles built into the handle for fast marking of angles onSuitable for cutting general building materials such as, wood, MDF, Ply, Marine Ply, Skirting, Plastics, UPVC, etc. site.